package org.csmzxy.class2334;

public class Example10 {
    public static void main (String[] args){
        UserManager userManager = new UserManager();
        UserManager userManager1= new UserManager();
        UserManager userManager2 = new UserManager();
        System.out.println("目前已创建的用户数量为" +UserManager.userNum);
    }
}
